
Email Verification API | Real-Time Validation for Developers | MailValid
Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X
The full gallery
Tech stack
30 projects

Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X

Give AI agents real email inboxes to receive and respond to messages independently.
u/JanJanJaJa · Reddit
Give your AI agent a @yourcompany address. Shipped the domain part this week and it's free We've been building email for AI agents. The idea is that an agent gets a real inbox, not a webhook, so it can receive things and answer in thread like anyone else on your team. The piece that was missing until this week was the address itself. Every agent lived on our domain, which is fine for a demo and wrong for anything real, because a domain where anyone can grab a free address in ten seconds loo

Unified email platform for transactional emails, marketing campaigns, and AI-powered email creation.
@_gchauhan · X
Hello Jasper! We've been building Most businesses use separate tools for: • Transactional email • Marketing campaigns with A/B testing • Mailboxes • Contacts • AI email creation • Dynamic content integration • Domain specific branding Five products. Five subscriptions. Five sources of truth. We decided to build communication as one connected system instead. combines email infrastructure, campaigns, mailboxes, contacts, domains, AI generation, and webhooks in a single platform. Would love feedback on the product, positioning, messaging, and first impressions.

One API to send WhatsApp, SMS, OTP codes, and transactional emails.
@amifideles_ · X
Built SendAPI, solving the complexity of managing multiple messaging providers by bringing WhatsApp, SMS, OTPs, and transactional emails into one API. Built for developers and startups.

AI agent that executes code and automates email via Slack and Telegram.
@ankushKun_ · X
Hi, we're building @use_construct , an autonomous cloud comouter that works for your business.

Email inbox integrated with CRM, Slack, and Claude.
thomas_housecat · HN
I got so frustrated with all of the busywork that was building up in my email inbox that I built something better. Housecat is the first email inbox that helps you get real work done. Our email connects to the other services you actually use like your Claude, Notion, Slack, CRM and Github and makes it easy to send messages and data between them. So if you need to update the CRM with a new lead, track a Github issue or ask a question of a colleague in Slack, you can do it all from right inside of

Verify email addresses in bulk at 99.2% accuracy for $0.35 per 1,000.
@ilyesnamous1 · X
Sealch ( Email verification, priced honestly. Same live SMTP check and catch-all detection as ZeroBounce/NeverBounce, but $0.35 per 1,000 instead of their ~$8. Solo bootstrapped to ~$500 MRR over the last 6 months.

Create disposable inboxes via API to capture emails and OTPs for test automation.
@MailFixture · X

Run cold email campaigns with multi-inbox sending, reply detection, and meeting tracking.
@sendmatico · X
SendMatico helps founders, agencies, and outbound teams run cold email campaigns with multi-inbox sending, follow-ups, reply detection, and deliverability tools.

Create email forms with attachments, spam screening, and API access, no backend required.
@htmlcontact · X

Warms domains for Google Workspace bulk email senders with verification and tracking.
@MarkZofMarkZ · X
Marketers who email - - still testing it, but I could use some help to validate.

Connect Gmail accounts to automate email sending and track opens and clicks.
@KenziChenBuilds · X
Hey! Developer behind Always looking for feedback to make it better.